Search a number
-
+
4342387 = 73120011
BaseRepresentation
bin10000100100001001110011
322011121122011
4100210021303
52102424022
6233023351
751624010
oct20441163
98147564
104342387
1124a6555
121554b57
13b9067a
14810707
155ab977
hex424273

4342387 has 8 divisors (see below), whose sum is σ = 5123072. Its totient is φ = 3601800.

The previous prime is 4342367. The next prime is 4342397. The reversal of 4342387 is 7832434.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4342387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 47 + 33 + 411 + 217 + 34 + 83 + 7 .

It is a Duffinian number.

4342387 is a modest number, since divided by 2387 gives 434 as remainder.

4342387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4342367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9789 + ... + 10222.

It is an arithmetic number, because the mean of its divisors is an integer number (640384).

Almost surely, 24342387 is an apocalyptic number.

4342387 is a deficient number, since it is larger than the sum of its proper divisors (780685).

4342387 is a wasteful number, since it uses less digits than its factorization.

4342387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20049.

The product of its digits is 16128, while the sum is 31.

The square root of 4342387 is about 2083.8394851811. The cubic root of 4342387 is about 163.1459042122.

The spelling of 4342387 in words is "four million, three hundred forty-two thousand, three hundred eighty-seven".

Divisors: 1 7 31 217 20011 140077 620341 4342387